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Data Analysis

MassCalc · Formula & MS Toolkit icon
MassCalc · Formula & MS Toolkit
Monoisotopic and average mass, natural isotope distributions, MF finder from m/z, peptide / oligonucleotide fragment tables, amino acid composition average m/z and polymer oligomer lists — all computed locally in the browser
ProteinCut · Peptide Digest Masses icon
ProteinCut · Peptide Digest Masses
Theoretical mass of every peptide from an in-silico protein digest, with cleavage rules identical to ExPASy PeptideMass — 25 enzymes/reagents, cysteine alkylation, methionine oxidation, 0-5 missed cleavages, seven ion forms up to 5+ charge, monoisotopic / average masses, plus intact protein mass and isoelectric point (Bjellqvist), computed locally in the browser
PepFragCalc · Peptide Fragment m/z icon
PepFragCalc · Peptide Fragment m/z
Theoretical a/b/c and x/y/z fragment ion m/z tables at 1+ to 3+ with -NH3 / -H2O secondary ions — global modification rules applied once and multi-line batch input with a table per peptide, computed locally in the browser
GRAVYCalc · Protein Hydropathy icon
GRAVYCalc · Protein Hydropathy
Batch GRAVY (grand average of hydropathy) for multi-FASTA protein sequences on the Kyte-Doolittle scale — gzip file import, ignore chars, custom separator and decimal sign, computed locally in the browser
GlycoCalc · Glycan Mass Calculator icon
GlycoCalc · Glycan Mass Calculator
Monoisotopic / average mass and elemental composition of glycans and glycopeptides: underivatized, permethylated, 2-AA and 2-AB labelled forms plus 52 ESI adduct m/z values — modelled on the NIST Glyco Mass Calculator, computed locally in the browser
SDS-PAGE-Calc · Gel Recipe Calculator icon
SDS-PAGE-Calc · Gel Recipe Calculator
Polyacrylamide gel recipes for SDS-PAGE: enter the gel count and the separating / stacking percentages and get ddH2O, 30% or 40% acrylamide stock, 1.5 M Tris pH 8.8 and 0.5 M Tris pH 6.8, 10% SDS, 10% APS and TEMED in ml and µl, plus a copyable six-step protocol — modelled on cytographica.com/lab/acryl2.html, computed locally in the browser
MDCalc icon
MDCalc
Medical formula calculator library
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Online Tools

Chinese Converter icon
Chinese Converter
Simplified ⇄ Traditional using Wikipedia tables, with Taiwan / Hong Kong / Mainland wording
Text Diff & Review icon
Text Diff & Review
Compare two texts side by side; accept or reject each change and export the merged result
IP Location Lookup icon
IP Location Lookup
Geolocation, ISP & ASN for any IPv4/IPv6 address; shows your own IP on open
PDF Toolkit icon
PDF Toolkit
Merge, split, organise, convert, watermark and protect PDFs — eight tools on one page, processed locally in your browser
ImgCompress · Image Compressor icon
ImgCompress · Image Compressor
TinyPNG-style image compression: lossy PNG quantization (≤256 colors with dithering, lossless when colors fit), JPEG re-encoding and WebP conversion with before/after compare and batch ZIP download — everything stays in your browser
TextToSpeech · Text to Speech icon
TextToSpeech · Text to Speech
Read text aloud in the browser: paste up to 2,500 characters, pick a language and voice your browser and OS actually provide, tune rate, pitch and volume, long text is chunked automatically with pause / resume / stop — modelled on crikk.com/text-to-speech, synthesis runs on your device
SpeechToText · Browser Dictation icon
SpeechToText · Browser Dictation
Voice typing in the browser: press Start and speak — text appears at the caret in real time, say "period", "comma" or "new line" to insert punctuation, with continuous dictation, auto-save and txt / Word export. Modelled on speechnotes.co; recognition runs inside your browser and audio is never uploaded
remove.bg icon
remove.bg
AI background removal in one click
Convertio icon
Convertio
Universal file format conversion
ChartLiao icon
ChartLiao
QR code generator & decoder
Temp Mail icon
Temp Mail
Disposable inbox for verification codes
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